{
  "id": "markdown-table-extract",
  "name": "Markdown Pipe Table Extraction",
  "description": "Extract top-level pipe tables from supplied Markdown into bounded cell arrays with exact source offsets, alignment and width findings. Uses an explicit line-based subset: table starts at document start or after a blank line, three-hyphen delimiters, fences excluded, inline markup preserved.",
  "category": "document-assurance",
  "priceUsd": "0.005",
  "pricingStatus": "proposed-unverified",
  "pricing": {
    "unit": "one successful operation call",
    "proposedNominalUsd": "0.005",
    "sixDecimalTokenBaseUnits": "5000",
    "subscription": false,
    "includesPayerWalletOrNetworkFees": false,
    "liveQuoteVerified": false,
    "condition": "Actual SDK challenge is authoritative only within the caller's explicit authorization; configured six-decimal token peg is an operator assertion, not a conversion guarantee."
  },
  "intents": [
    "Extract structured rows and cell provenance from Markdown reports",
    "Check pipe table widths without silently dropping or padding cells"
  ],
  "whenToUse": [
    "Extract structured rows and cell provenance from Markdown reports",
    "Check pipe table widths without silently dropping or padding cells"
  ],
  "whenNotToUse": [
    "Full CommonMark or GFM parsing, nested containers, HTML tables or inline rendering",
    "Automatic schema inference, typed values or ambiguous one-hyphen delimiters"
  ],
  "capabilities": [
    "Backslash-escaped pipes and optional outer pipes",
    "Fenced code is excluded; inline backticks do not protect an unescaped pipe",
    "Raw cell slices preserved with UTF-16 offsets; malformed row widths remain visible"
  ],
  "related": [
    "csv-serialize",
    "record-constraints"
  ],
  "limits": {
    "inputBytes": 100000,
    "outputBytes": 400000,
    "jsonNodes": 8000,
    "depth": 20,
    "findings": 200,
    "tables": 50,
    "rowsPerTable": 500,
    "columns": 50,
    "cells": 5000,
    "lines": 10000,
    "profile": "top-level-pipe-tables-v1"
  },
  "errorCodes": [
    "INPUT_LIMIT",
    "OUTPUT_LIMIT",
    "COMPLEXITY_LIMIT",
    "UNSAFE_KEY",
    "INVALID_UNICODE",
    "INVALID_NUMBER",
    "LINE_LIMIT",
    "TABLE_LIMIT",
    "ROW_LIMIT",
    "CELL_LIMIT"
  ],
  "requirementsProfile": {
    "format": "declared-requirements-v1",
    "facts": {
      "execution.suppliedCode": false,
      "execution.remoteMutation": false,
      "execution.llmInference": false,
      "execution.paidMcp": false,
      "verification.semanticTruth": false,
      "verification.sourceAuthenticity": false,
      "verification.liveVulnerabilities": false,
      "numbers.arbitraryPrecisionJson": false,
      "numbers.model": "ieee754-binary64",
      "privacy.requestBodyPersisted": false,
      "execution.deterministic": true,
      "execution.networkAccess": false,
      "privacy.resultBodyPersisted": false,
      "payment.x402": true,
      "payment.mpp": true,
      "operation.id": "markdown-table-extract",
      "operation.category": "document-assurance",
      "limit.httpRequestBytes": 131072,
      "limit.requestBytes": 100000,
      "limit.responseBytes": 524288,
      "limit.resultBytes": 400000,
      "limit.jsonDepth": 20,
      "limit.jsonNodes": 8000,
      "standards.fullConformance": false,
      "markdownTables.profile": "top-level-pipe-tables-v1",
      "markdownTables.inlineRendering": false,
      "markdownTables.nestedContainers": false,
      "text.offsetUnit": "utf16-code-units",
      "input.markdown.maxLength": 90000
    },
    "unknownPolicy": "Undeclared requirements are unknown, never compatible. Matching declared facts does not establish semantic fit or input validity.",
    "preflight": "/preflight"
  },
  "documentation": "/reference/tools/markdown-table-extract.md",
  "serviceContract": "/reference/services/markdown-table-extract.json",
  "errors": [
    {
      "status": 400,
      "meaning": "Malformed JSON, missing/invalid idempotency key, or payment identifier mismatch",
      "retry": "Correct the request before payment"
    },
    {
      "status": 402,
      "meaning": "Payment challenge or rejected payment",
      "retry": "Use official protocol SDK; inspect payment outcome before another payment"
    },
    {
      "status": 409,
      "meaning": "Idempotency conflict, duplicate proof, or PAYMENT_UNCERTAIN",
      "retry": "Keep original key, body, and proof; reconcile uncertainty with operator; never blindly repay"
    },
    {
      "status": 413,
      "meaning": "Input or generated output too large",
      "retry": "Reduce input; no payment attempted for validation failure"
    },
    {
      "status": 415,
      "meaning": "Unsupported media type or compression",
      "retry": "Send uncompressed application/json"
    },
    {
      "status": 422,
      "meaning": "Schema or service-specific semantic validation failure",
      "retry": "Correct input using returned error code; no payment attempted"
    },
    {
      "status": 429,
      "meaning": "Request/payment-attempt rate exceeded",
      "retry": "Wait for rate limit window; preserve existing payment identity"
    },
    {
      "status": 503,
      "meaning": "Payment configuration/provider/state unavailable, or live DNS preparation failed before settlement",
      "retry": "Check readiness; DNS preparation failures may retry the identical key/body/credential only; uncertainty requires reconciliation"
    }
  ],
  "numericPrecision": "JavaScript IEEE-754 numbers; use strings for large integer IDs/exact decimals where the schema accepts strings. No lossless numeric parsing.",
  "paymentWorkflow": {
    "discoveryOnly": false,
    "supportedProtocols": [
      "x402",
      "mpp"
    ],
    "x402": {
      "credentialHeader": "PAYMENT-SIGNATURE",
      "challengeHeader": "PAYMENT-REQUIRED",
      "receiptHeader": "PAYMENT-RESPONSE",
      "version": 2,
      "scheme": "exact",
      "paymentIdentifier": "payment-identifier extension MUST equal the HTTP Idempotency-Key",
      "sdk": "@x402/core with @x402/evm"
    },
    "mpp": {
      "supported": true,
      "credentialHeader": "Authorization",
      "challengeHeader": "WWW-Authenticate",
      "receiptHeader": "Payment-Receipt",
      "method": "tempo",
      "intent": "charge",
      "sdk": "mppx",
      "tokenDecimals": 6
    },
    "steps": [
      "Check configured readiness and the exact service schema",
      "Generate a fresh random Idempotency-Key for this operation; never use a discovery probe fixture for purchases",
      "Send valid input without a credential to obtain the official protocol challenge",
      "Use the official SDK and authorized wallet to fulfill the challenge",
      "Retry only with identical key, body, protocol and credential",
      "On PAYMENT_UNCERTAIN stop and request operator reconciliation; never blindly pay again"
    ],
    "versionedRetries": "Request fingerprint includes service release version. Retries across a version upgrade can conflict; coordinate upgrades outside the 24-hour replay window and reconcile pending attempts.",
    "docs": "/llms.txt"
  },
  "method": "POST",
  "paths": {
    "x402": "/v1/x402/markdown-table-extract",
    "mpp": "/v1/mpp/markdown-table-extract"
  },
  "inputSchema": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "markdown": {
        "type": "string",
        "maxLength": 90000
      }
    },
    "required": [
      "markdown"
    ],
    "additionalProperties": false
  },
  "outputSchema": {
    "type": "object",
    "required": [
      "operation",
      "version",
      "result",
      "provenance"
    ],
    "properties": {
      "operation": {
        "const": "markdown-table-extract",
        "type": "string"
      },
      "version": {
        "const": "0.29.0",
        "type": "string"
      },
      "result": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "type": "object",
        "properties": {
          "profile": {
            "type": "string",
            "const": "top-level-pipe-tables-v1"
          },
          "tables": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "start": {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 9007199254740991
                },
                "end": {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 9007199254740991
                },
                "startLine": {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 9007199254740991
                },
                "endLine": {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 9007199254740991
                },
                "header": {
                  "type": "array",
                  "items": {
                    "type": "object",
                    "properties": {
                      "raw": {
                        "type": "string"
                      },
                      "text": {
                        "type": "string"
                      },
                      "start": {
                        "type": "integer",
                        "minimum": 0,
                        "maximum": 9007199254740991
                      },
                      "end": {
                        "type": "integer",
                        "minimum": 0,
                        "maximum": 9007199254740991
                      }
                    },
                    "required": [
                      "raw",
                      "text",
                      "start",
                      "end"
                    ],
                    "additionalProperties": false
                  }
                },
                "alignment": {
                  "type": "array",
                  "items": {
                    "type": "string",
                    "enum": [
                      "left",
                      "center",
                      "right",
                      "none"
                    ]
                  }
                },
                "rows": {
                  "type": "array",
                  "items": {
                    "type": "array",
                    "items": {
                      "type": "object",
                      "properties": {
                        "raw": {
                          "type": "string"
                        },
                        "text": {
                          "type": "string"
                        },
                        "start": {
                          "type": "integer",
                          "minimum": 0,
                          "maximum": 9007199254740991
                        },
                        "end": {
                          "type": "integer",
                          "minimum": 0,
                          "maximum": 9007199254740991
                        }
                      },
                      "required": [
                        "raw",
                        "text",
                        "start",
                        "end"
                      ],
                      "additionalProperties": false
                    }
                  }
                }
              },
              "required": [
                "start",
                "end",
                "startLine",
                "endLine",
                "header",
                "alignment",
                "rows"
              ],
              "additionalProperties": false
            }
          },
          "tableCount": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991
          },
          "cellCount": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991
          },
          "findings": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "code": {
                  "type": "string"
                },
                "path": {
                  "type": "string"
                },
                "message": {
                  "type": "string"
                }
              },
              "required": [
                "code",
                "path",
                "message"
              ],
              "additionalProperties": false
            }
          },
          "findingCount": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991
          },
          "truncated": {
            "type": "boolean"
          }
        },
        "required": [
          "profile",
          "tables",
          "tableCount",
          "cellCount",
          "findings",
          "findingCount",
          "truncated"
        ],
        "additionalProperties": false
      },
      "provenance": {
        "type": "object",
        "required": [
          "inputSha256",
          "outputSha256",
          "deterministic",
          "externalRequests"
        ],
        "properties": {
          "inputSha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "outputSha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "deterministic": {
            "const": true
          },
          "externalRequests": {
            "const": 0
          }
        }
      }
    },
    "additionalProperties": false
  },
  "exampleInput": {
    "markdown": "| Item | State |\n| :--- | ---: |\n| Report | approved |\n"
  },
  "exampleResponse": {
    "operation": "markdown-table-extract",
    "version": "0.29.0",
    "result": {
      "profile": "top-level-pipe-tables-v1",
      "tables": [
        {
          "start": 0,
          "end": 54,
          "startLine": 1,
          "endLine": 3,
          "header": [
            {
              "raw": "Item",
              "text": "Item",
              "start": 2,
              "end": 6
            },
            {
              "raw": "State",
              "text": "State",
              "start": 9,
              "end": 14
            }
          ],
          "alignment": [
            "left",
            "right"
          ],
          "rows": [
            [
              {
                "raw": "Report",
                "text": "Report",
                "start": 35,
                "end": 41
              },
              {
                "raw": "approved",
                "text": "approved",
                "start": 44,
                "end": 52
              }
            ]
          ]
        }
      ],
      "tableCount": 1,
      "cellCount": 4,
      "findings": [],
      "findingCount": 0,
      "truncated": false
    },
    "provenance": {
      "inputSha256": "9f9d5f26b45ac5623ed318d00210ca35ead401a4330a17032bb62cf64f226f7a",
      "outputSha256": "001672fc563cbade4eff0027b426283e54ddd7e9e26800b5033cbab8f9a65fe8",
      "deterministic": true,
      "externalRequests": 0
    }
  },
  "requiredHeaders": {
    "Content-Type": "application/json",
    "Idempotency-Key": "random 16–128 character operation identifier"
  },
  "fixedExample": "/reference/examples/markdown-table-extract.json",
  "execution": {
    "deterministic": true,
    "externalRequests": 0,
    "maxExternalRequests": 0,
    "resultSnapshotPersisted": false,
    "fixedExampleIsIllustrativeSnapshot": false,
    "requiresPayment": true,
    "supportsMcpExecution": false
  },
  "releaseSnapshot": {
    "format": "static-release-reference-v1",
    "sourceVersion": "0.29.0",
    "sourceRegistrySha256": "a2b5ec09bf6c38b9d2879d746a4fded374f5928b445377b0270ef6aa8e6cac65",
    "generatedAt": "2026-10-06T15:38:00Z",
    "releaseAcceptance": "not-verified-by-generator",
    "runtimeReadiness": "not-evaluated",
    "livePaymentsVerified": false,
    "indexingVerified": false,
    "apiOrigin": null,
    "notice": "Build-time release reference. Runtime readiness, deployment, payment settlement and external indexing are not evaluated here. Prices are proposed; this file cannot authorize execution or payment."
  }
}